3 (also spline curve) Mathematics A continuous curve constructed so as to pass through a given set of points and have a certain number of continuous derivatives. Example sentences. 1  The data was therefore fit nonparametrically to a smooth curve using the Dierckx algorithm for cubic spline curve fitting.
Definition of Unearned Revenue in Accounting. Unearned revenue is the same thing as deferred revenue. In accounting, unearned revenue is a liability. It is a liability because even though a company has received payment from the customer, the money is potentially refundable and thus not yet recognized as revenue.
What is Unearned Revenue? Unearned revenue refers to funds a seller receives for goods or services not yet delivered to the buyer. Unearned revenues turn up in many familiar purchase situations. When a traveler purchases airline or railroad tickets in advance, for instance, the carrier has unearned revenues until it delivers the service.